Re: [PATCHv3 0/5] improve speed of "rep ins" emulation

[Gleb Natapov <gleb@redhat.com>]

NACK. Found bugs.

On Thu, Jul 12, 2012 at 02:56:36PM +0300, Gleb Natapov wrote:
> With this patches loading 100M initrd takes ~10s instead of ~40s without.
> 
> Changelog:
>  v2->v3
>   - Fix incorrect size parameter for linearize() notices by Marcelo.
>   - Get rid of linearize() callback in emulation ops.
> 
>  v1->v2
>    - add segment check and mask rcx/rdi correctly drying increment.
> 
> Gleb Natapov (5):
>   KVM: Provide userspace IO exit completion callback.
>   KVM: emulator: make x86 emulation modes enum instead of defines
>   KVM: emulator: move some address manipulation function out of
>     emulator code.
>   KVM: emulator: make linearize() callable from outside of emulator
>   KVM: Provide fast path for "rep ins" emulation if possible.
> 
>  arch/x86/include/asm/kvm_emulate.h |   38 +++--
>  arch/x86/include/asm/kvm_host.h    |   32 ++++
>  arch/x86/kvm/emulate.c             |  133 ++++++++--------
>  arch/x86/kvm/svm.c                 |   20 ++-
>  arch/x86/kvm/vmx.c                 |   25 ++-
>  arch/x86/kvm/x86.c                 |  305 ++++++++++++++++++++++++++++--------
>  6 files changed, 395 insertions(+), 158 deletions(-)
> 
> -- 
> 1.7.10
> 
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--
			Gleb.